Practice 6 - Constructing Explanations & Designing Solutions

What is the primary purpose of theories in science?

• To guess the outcomes of experiments

• To write scientific papers

• To explain phenomena and guide further research

• To solve mathematical problems

Which evidence supported the Big Bang Theory?

• The structure of atoms

• Redshift of light from galaxies

• Fossils of dinosaurs

• Discovery of DNA

What did Charles Darwin contribute to science?

• The Big Bang Theory

• The Germ Theory

• The Theory of Relativity

• The Theory of Natural Selection

What is the role of hypotheses in scientific research?

• They are plausible explanations that guide investigation

• They are guesses without any evidence

• They are used to prove theories without testing

• They are final explanations for observations

How does the cycle of design in engineering work?

• Research, discuss, and forget

• Assume, prove, and stop

• Guess, ignore, and conclude

• Design, build, test, and improve